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The Single UNIX &reg; Specification, Version 2<br>
Copyright &copy; 1997 The Open Group

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<H1>Shell Command Language Index</H1>
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<B><a href="chap2.html#tag_001">Shell Command Language</a></B>
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<a href="chap2.html#tag_001_001">Shell Introduction</a>
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<B><a href="chap2.html#tag_001_002">Quoting</a></B>
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&#183; <a href="chap2.html#tag_001_002_001">Escape Character (Backslash)</a>
&#183; <a href="chap2.html#tag_001_002_002">Single-quotes</a>
&#183; <a href="chap2.html#tag_001_002_003">Double-quotes</a>
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<B><a href="chap2.html#tag_001_003">Token Recognition</a></B>
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&#183; <a href="chap2.html#tag_001_003_001">Alias Substitution</a>
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<B><a href="chap2.html#tag_001_004">Reserved Words</a></B>
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<B><a href="chap2.html#tag_001_005">Parameters and Variables</a></B>
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&#183; <a href="chap2.html#tag_001_005_001">Positional Parameters</a>
&#183; <a href="chap2.html#tag_001_005_002">Special Parameters</a>
&#183; <a href="chap2.html#tag_001_005_003">Shell Variables</a>
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<B><a href="chap2.html#tag_001_006">Word Expansions</a></B>
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&#183; <a href="chap2.html#tag_001_006_001">Tilde Expansion</a>
&#183; <a href="chap2.html#tag_001_006_002">Parameter Expansion</a>
&#183; <a href="chap2.html#tag_001_006_002_001">Examples</a>
&#183; <a href="chap2.html#tag_001_006_003">Command Substitution</a>
&#183; <a href="chap2.html#tag_001_006_004">Arithmetic Expansion</a>
&#183; <a href="chap2.html#tag_001_006_005">Field Splitting</a>
&#183; <a href="chap2.html#tag_001_006_006">Pathname Expansion</a>
&#183; <a href="chap2.html#tag_001_006_007">Quote Removal</a>
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<B><a href="chap2.html#tag_001_007">Redirection</a></B>
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&#183; <a href="chap2.html#tag_001_007_001">Redirecting Input</a>
&#183; <a href="chap2.html#tag_001_007_002">Redirecting Output</a>
&#183; <a href="chap2.html#tag_001_007_003">Appending Redirected Output</a>
&#183; <a href="chap2.html#tag_001_007_004">Here-document</a>
&#183; <a href="chap2.html#tag_001_007_005">Duplicating an Input File Descriptor</a>
&#183; <a href="chap2.html#tag_001_007_006">Duplicating an Output File Descriptor</a>
&#183; <a href="chap2.html#tag_001_007_007">Open File Descriptors for Reading and Writing</a>
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<B><a href="chap2.html#tag_001_008">Exit Status and Errors</a></B>
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&#183; <a href="chap2.html#tag_001_008_001">Consequences of Shell Errors</a>
&#183; <a href="chap2.html#tag_001_008_002">Exit Status for Commands</a>
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<B><a href="chap2.html#tag_001_009">Shell Commands</a></B>
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&#183; <a href="chap2.html#tag_001_009_001">Simple Commands</a>
&#183; <a href="chap2.html#tag_001_009_001_001">Command Search and Execution</a>
&#183; <a href="chap2.html#tag_001_009_002">Pipelines</a>
&#183; <a href="chap2.html#tag_001_009_002_001">Exit Status</a>
&#183; <a href="chap2.html#tag_001_009_003">Lists</a>
&#183; <a href="chap2.html#tag_001_009_003_001">Asynchronous Lists</a>
&#183; <a href="chap2.html#tag_001_009_003_002">Sequential Lists</a>
&#183; <a href="chap2.html#tag_001_009_003_003">AND Lists</a>
&#183; <a href="chap2.html#tag_001_009_003_004">OR Lists</a>
&#183; <a href="chap2.html#tag_001_009_004">Compound Commands</a>
&#183; <a href="chap2.html#tag_001_009_004_001">Grouping Commands</a>
&#183; <a href="chap2.html#tag_001_009_004_002">For Loop</a>
&#183; <a href="chap2.html#tag_001_009_004_003">Case Conditional Construct</a>
&#183; <a href="chap2.html#tag_001_009_004_004">If Conditional Construct</a>
&#183; <a href="chap2.html#tag_001_009_004_005">While Loop</a>
&#183; <a href="chap2.html#tag_001_009_004_006">Until Loop</a>
&#183; <a href="chap2.html#tag_001_009_005">Function Definition Command</a>
&#183; <a href="chap2.html#tag_001_009_005_001">Exit Status</a>
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<B><a href="chap2.html#tag_001_010">Shell Grammar</a></B>
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&#183; <a href="chap2.html#tag_001_010_001">Shell Grammar Lexical Conventions</a>
&#183; <a href="chap2.html#tag_001_010_002">Shell Grammar Rules</a>
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<B><a href="chap2.html#tag_001_011">Signals and Error Handling</a></B>
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<B><a href="chap2.html#tag_001_012">Shell Execution Environment</a></B>
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<B><a href="chap2.html#tag_001_013">Pattern Matching Notation</a></B>
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&#183; <a href="chap2.html#tag_001_013_001">Patterns Matching a Single Character</a>
&#183; <a href="chap2.html#tag_001_013_002">Patterns Matching Multiple Characters</a>
&#183; <a href="chap2.html#tag_001_013_003">Patterns Used for Filename Expansion</a>
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<B><a href="chap2.html#tag_001_014">Special Built-in Utilities</a></B>
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&#183; <a href="chap2.html#tag_001_014_001">break - Exit From for, while or until Loop</a>
&#183; <a href="chap2.html#tag_001_014_002">colon - Null Utility</a>
&#183; <a href="chap2.html#tag_001_014_003">continue - Continue for, while or until Loop</a>
&#183; <a href="chap2.html#tag_001_014_004">dot - Execute Commands in Current Environment</a>
&#183; <a href="chap2.html#tag_001_014_005">eval - Construct Command by Concatenating Arguments</a>
&#183; <a href="chap2.html#tag_001_014_006">exec - Execute Commands and Open, Close or Copy File Descriptors</a>
&#183; <a href="chap2.html#tag_001_014_007">exit - Cause the Shell to Exit</a>
&#183; <a href="chap2.html#tag_001_014_008">export - Set Export Attribute for Variables</a>
&#183; <a href="chap2.html#tag_001_014_009">readonly - Set Read-only Attribute for Variables</a>
&#183; <a href="chap2.html#tag_001_014_010">return - Return from a Function</a>
&#183; <a href="chap2.html#tag_001_014_011">set - Set or Unset Options and Positional Parameters</a>
&#183; <a href="chap2.html#tag_001_014_012">shift - Shift Positional Parameters</a>
&#183; <a href="chap2.html#tag_001_014_013">times - Write Process Times</a>
&#183; <a href="chap2.html#tag_001_014_014">trap - Trap Signals</a>
&#183; <a href="chap2.html#tag_001_014_015">unset - Unset Values and Attributes of Variables and Functions</a>
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Copyright &copy; 1997 The Open Group
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